test: cover some interactive/error paths in firstboot
(cherry picked from commit
dbd8dbdfc1d440c44714edcfa513b697f39f4fed)
Gbp-Pq: Name test-cover-some-interactive-error-paths-in-firstboot.patch
test: re-enable skipped systemd-firstboot --locale-messages= test
Since the original issue should be resolved by #25253.
(cherry picked from commit
59377dbef288bff2e9df1254f9cbccd3c7d726a5)
Gbp-Pq: Name test-re-enable-skipped-systemd-firstboot-locale-messages-.patch